function turnOffEverything(){

		tab_1_ID=document.getElementById("tab_1");
		tab_1_ID.className="tab";
		
		tab_1_ID=document.getElementById("tab_2");
		tab_1_ID.className="tab";
	
		//tab_1_ID=document.getElementById("tab_3");
		//tab_1_ID.className="tab";

		tab_1_ID=document.getElementById("tab_4");
		tab_1_ID.className="tab";

		tab_1_ID=document.getElementById("tab_5");
		tab_1_ID.className="tab";
		
		Tab_1_content_ID=document.getElementById("Tab_1_content");
		Tab_1_content_ID.className="content_not";
		
		Tab_2_content_ID=document.getElementById("Tab_2_content");
		Tab_2_content_ID.className="content_not";
		
		//Tab_3_content_ID=document.getElementById("Tab_3_content");
		//Tab_3_content_ID.className="content_not";

		Tab_4_content_ID=document.getElementById("Tab_4_content");
		Tab_4_content_ID.className="content_not";

		Tab_5_content_ID=document.getElementById("Tab_5_content");
		Tab_5_content_ID.className="content_not";
		}

		function toggleDisplay(theTab,clickedLink) {
			turnOffEverything();
	
			clickedLink_Id=document.getElementById(clickedLink);
			clickedLink_Id.className='tab_current';
		
			theTab_Id=document.getElementById(theTab);
			theTab_Id.className='content_current';
		}